Mercury arc rectifier support



May 10, 1932. w. HOPP 1,857,193

MERCURY ARC RECTIFIER SUPPORT Filed Nov. '21, 1923 Fig I I Fig.2.

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11 N f I x His Attorne g .rs tric discharge devicessu'ch as mercury are Patented May 10, 1932' UNITED, STATES PATENT OFFICE WILHELM 11622, or HEILIGENSEE, A E e SIEbLUNG, GERMANY, ,AssIeNoR 'ro GENERAL ELECTRIC comramr, A- CORPORATION or NEW YORK MERCURY ARC nno'nrmn surrom Applieatiofl fllelillovember 21, 1928, ser al No. 820,959, and in' Germany March as, 1928.

My invention relates to supports for elecrectifiers for example,- and has for its principal object the: provision of an improved support which will absorbxsubstantially all vi- .bI tlOIls which Wfiuld b e parted 9 Q/ vice. a v

cury-arc re are often exposed to considerable vibratioihwhen mounted on 10' comotives or other vehicles. I These vibrations may cause: unstable Operation of therecti fiersandyin' the case of glass rectifiers, mzfy' injure the wallstliereof by causing the mercu toistrike'against them. In accordance wit 1 my invention this difliculty is overcome by the provision of an improved support o which includes a series of frames or cradles --resiliently mounted within each other, at

least one of which is proyided with weights for increasing its inertia and reducing its period of oscillation.

My invention will begbetter understood from the following description when consid-- ered in connection with the accompanying drawings and its scope will be pointed out in the appended claims.

Referring to the drawings, Figs. 1 and 2 illustrate a side and front elevation respectively of a supporting frame built in accordance with my invention. A frame eis arranged to support resiliently a cradle If by means of springs (Z. The springs d support the cradle I) at the top so that it is freeto oscillate to a limited extent within the frame 0. In

order-to add inertia to'this cradle and to lower its period of oscillation, a weight 0 is mounted at its bottom. This may be any'suitable' weight but is preferably the driving motor of the cooling fan if such is used;

Within the cradle a holder f su ports the rectifier a. This holder. f is resiliently attached to the cradle b by means of springs g. The springs 9 permit a movement of the holder fwith respect to cradle b but -do 'not permit any appreciable oscillation thereof. l By this arrangement any sudden shocks orijerks are taken up by the springs d-and g and displacemen ts caused by quick accelerations and dccelerations of the locomotive are-compensated for by the oscillation of the cradle b. It

points on said frame adjacent t will be apparent that the oscillations ma be damped by any other suitable means suc as dash pots, or the like.

An efficient coolin of the rectifier and the fuses h, which are a so mounted on cradle 12, isobtained by mounting the fan on the cradle b,to serve as the-period reducing weight. In this arrangementthe fan is always in its predetermined position in respect to the rectifier I cent the upper portion thereof. resiliently attached to said cradle to depend from saidupper portion for supporting the discharge device.

including a frame, a cradle within said, frame resiliently attached thereto to depend from the upper end'thereof and capable of oscillatupper portion thereof resiliently attached to said cradle to depend from said upper portion for'supporting the discharge device, and a weight supported by said cradle at the end thereof remote from said holder for reducing the period of oscillation thereof.

3. A support for mercury arc rectifiers including a frame, a cradle Within said frame resiliently attached thereto to depend from 'the upper end thereof and capable of oscillating, a holder within said cradle adjacent the upper portion thereof resiliently attached to said cradle to depend from said upper portion for supporting the rectifier, and a weight mounted on said cradle at the end thereof remote from said holder for increasing the inertia of said cradle.

4. An electric discharge device mountlng including afra-me, a cradle within said frame resiliently attached to and suspended from 1e upper end thereof, a U-shaped device holder within said cradle and adjacent the upper portion there- 2. A support for electric discharge devices ing, a holder withinsaid cradleadjacent the of for supporting the discharge device, re-.

silient means to attach said holder to said cradle at points on said cradle adjacent the upper end thereof-and at points on said cradle between said first named points and the lowor end of said cradle, and a Weight mounted on said cradle at the end thereof remote from said holder to increase the inertia of said cradle. A r

In witness whereof, I have hereunto set my hand this 5th day of November, 1928.

WILHELM HPP. 

